From c99b5932ef47a5d74b5bccffb52c1ccabac6ae53 Mon Sep 17 00:00:00 2001
From: Benjamin Paassen <bpaassen@techfak.uni-bielefeld.de>
Date: Fri, 13 Feb 2015 17:51:03 +0100
Subject: refactored handler classes of XMLParser into own files in
 core/parser/stack.

---
 src/core/parser/stack/ImportIncludeHandler.cpp | 96 ++++++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100644 src/core/parser/stack/ImportIncludeHandler.cpp

(limited to 'src/core/parser/stack/ImportIncludeHandler.cpp')

diff --git a/src/core/parser/stack/ImportIncludeHandler.cpp b/src/core/parser/stack/ImportIncludeHandler.cpp
new file mode 100644
index 0000000..94ee82d
--- /dev/null
+++ b/src/core/parser/stack/ImportIncludeHandler.cpp
@@ -0,0 +1,96 @@
+/*
+    Ousía
+    Copyright (C) 2014, 2015  Benjamin Paaßen, Andreas Stöckel
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "ImportIncludeHandler.hpp"
+
+#include <core/parser/ParserScope.hpp>
+
+namespace ousia {
+
+/* ImportIncludeHandler */
+
+void ImportIncludeHandler::start(Variant::mapType &args)
+{
+	rel = args["rel"].asString();
+	type = args["type"].asString();
+	src = args["src"].asString();
+	srcInArgs = !src.empty();
+}
+
+void ImportIncludeHandler::data(const std::string &data, int field)
+{
+	if (srcInArgs) {
+		logger().error("\"src\" attribute has already been set");
+		return;
+	}
+	if (field != 0) {
+		logger().error("Command has only one field.");
+		return;
+	}
+	src.append(data);
+}
+
+/* ImportHandler */
+
+void ImportHandler::start(Variant::mapType &args)
+{
+	ImportIncludeHandler::start(args);
+
+	// Make sure imports are still possible
+	if (scope().getFlag(ParserFlag::POST_HEAD)) {
+		logger().error("Imports must be listed before other commands.",
+		               location());
+		return;
+	}
+}
+
+void ImportHandler::end()
+{
+	// Fetch the last node and check whether an import is valid at this
+	// position
+	Rooted<Node> leaf = scope().getLeaf();
+	if (leaf == nullptr || !leaf->isa(&RttiTypes::RootNode)) {
+		logger().error(
+		    "Import not supported here, must be inside a document, domain "
+		    "or typesystem command.",
+		    location());
+		return;
+	}
+	Rooted<RootNode> leafRootNode = leaf.cast<RootNode>();
+
+	// Perform the actual import, register the imported node within the leaf
+	// node
+	Rooted<Node> imported =
+	    context().import(src, type, rel, leafRootNode->getReferenceTypes());
+	if (imported != nullptr) {
+		leafRootNode->reference(imported);
+	}
+}
+
+/* IncludeHandler */
+
+void IncludeHandler::start(Variant::mapType &args)
+{
+	ImportIncludeHandler::start(args);
+}
+
+void IncludeHandler::end()
+{
+	context().include(src, type, rel, {&RttiTypes::Node});
+}
+}
-- 
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